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MASSACHUSETTS OIL BURNER QUESTIONS AND ANSWERS
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MASSACHUSETTS OIL BURNER QUESTIONS AND ANSWERS
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MASSACHUSETTS OIL BURNER QUESTIONS ANDANSWERS
What is the voltage found at the TT terminals - Answers- 24 volts
What are the 8 steps of a no heat call - Answers- 1 talk to customer 2 check tt.3 check
to make sure an emergency switch is on 4check to make sure there is oil in the tank 5
check to make sure the main power going to the unit is on six check to make sure that
tank shut off valve is open 7 know whether the tank is located above or below the
burner I know the type and style of the system that is being used on a one or two pipe
system
How should an oil tank be supported - Answers- It shall be secured attached to a non-
combustible supports
What is the wire gauge use an oil burner circuits - Answers- 14 gauge 15 amp fuse
How is an oil burner wired - Answers- Shall be wired on its own circuit. All protective
control and emergency devices shall be series connected in the grounded line
conductors. all the electrical wiring shall be in accordance with 527 CMR 12.00
Massachusetts electrical code
What size vent pipe is required with a 2 inch fill pipe - Answers- A fill pipe shall not be
greater than the vent pipe. The minimum the fill pipe in the state of Massachusetts is
one and one quarter inch.
Explain interrupted ignition - Answers- the ignition Transformer drops out of the circuit
once a flame is established
What are the elements are found in fuel oil number 2 - Answers- Carbon hydrogen
oxygen and hydrocarbons
What is a BTU - Answers- A British thermal unit is the amount of heat needed to raise
one pound of water 1 degree Fahrenheit
How many BTUs are in one gallon number 2 fuel oil - Answers- 140,000 BTUs
What determines the gallons per hour of a nozzle - Answers- Manufacturer ,the bore
size, pump pressure or Orphus
What is a series circuit - Answers- an electrical or piping circuit where all of the current
or fluid flows through the entire circuit
What is a degree day - Answers- The average temp for the day - 65
, What is the flash point of number 2 fuel oil - Answers- 115 degrees Fahrenheit
When does the law require a combustion efficiency test - Answers- During installation
and maintenance
What controller shuts off the oil burner in the event of excessive temperature in the
appliance - Answers- The high limit switch
What are the three functions of an oil pump - Answers- 1- filters 2- pressurizes 3-
pumps fuel to the burner
How is an oil burner circuit wired - Answers- In series on its own circuit
How is oil flow adjusted in a rotary burner - Answers- Constant level and metering valve
What does InStep mean - Answers- The stack relay is operating properly
How is combustion achieved - Answers- Atomization ,air ,ignition.
What is a cad cell - Answers- A device containing condominium sulfide used to prove
the flame in oil burner furnace
How much air is needed to burn a gallon of number 2 fuel oil and why. - Answers- In
2015 most oil burners are set up to burn with approximately 50% excess air because it
would be dangerous to set up a burner for exactly the correct amount of air
What is the term InStep mean - Answers- The stack relay is operating correctly
What is normal pump pressure - Answers- 100 PSI
How is combustion achieved - Answers- Atomization, air, ignition.
What is primary air and secondary air - Answers- Primary air, air that is introduced to a
furnace burner before the combustion process has taken place. secondary air, air that is
introduced to the furnace after combustion has taken place and that supports
combustion
What is the minimum size oil line for residential burners - Answers- 3/8 inch
How is safety timing checked on a stack relay switch - Answers- Remove the stack
relay from the duck and let it run .it should shut off in 45 seconds.
What is the safety lockout time on Burner firing under 3 gallons per hour - Answers- 45
seconds
What control devices are found on gravity feed burners - Answers- Constant level valve
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